{% load staticfiles %}

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>{% block title %}默认标题{% endblock %}</title>
</head>
<link rel="stylesheet" href="{% static 'semantic/semantic.min.css' %}">
<script type="text/javascript" src="{% static 'jquery-3.2.1.min.js' %}"></script>
<script type="text/javascript" src="{% static 'semantic/semantic.min.js' %}"></script>
<script type="text/javascript" src="{% static 'd3js/d3.js'%}"></script>

<body>
{% include "nav.html" %}
{% block content %}
<div>这里是默认内容，所有继承自这个模板的，如果不覆盖就显示这里的默认内容。</div>
{% endblock %}

</body>
</html>